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Overview

overview

10

Static

static

3

2374f7bc1c...5N.exe

windows7-x64

10

2374f7bc1c...5N.exe

windows10-2004-x64

10

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General

  • Target

    2374f7bc1c72e6be2a5c8ed0a91d5bd282877a6eab580712553c932762425f95N

  • Size

    90KB

  • Sample

    241012-xpwhdswekh

  • MD5

    d71cc6d5e58ba1625b5e7c0d4c0b06a0

  • SHA1

    d4e7dee01efe5aaecd936087275176f2586d084b

  • SHA256

    2374f7bc1c72e6be2a5c8ed0a91d5bd282877a6eab580712553c932762425f95

  • SHA512

    82b4417dfbb58b6be1fe119f76b9355134bb1db36b084280a0ba1f1b2e292d3eabb3ae4cb7479d12d612cc129ad8ccfc574ac4357a8447a7d7788ae06263a9d7

  • SSDEEP

    1536:0KEQC9+gJ/G6wfKrm6GDPxlFjNmMj701UqprdG1u/Ub0VkVNK:ZC9DG6BJKPuM3H2dG1u/Ub0+NK

Score
10/10
berbewbackdoordiscoverypersistence

Malware Config

Extracted

Family

berbew

C2

http://f/wcmd.htm

http://f/ppslog.php

http://f/piplog.php?%s:%i:%i:%s:%09u:%i:%02d:%02d:%02d

Targets

    • Target

      2374f7bc1c72e6be2a5c8ed0a91d5bd282877a6eab580712553c932762425f95N

    • Size

      90KB

    • MD5

      d71cc6d5e58ba1625b5e7c0d4c0b06a0

    • SHA1

      d4e7dee01efe5aaecd936087275176f2586d084b

    • SHA256

      2374f7bc1c72e6be2a5c8ed0a91d5bd282877a6eab580712553c932762425f95

    • SHA512

      82b4417dfbb58b6be1fe119f76b9355134bb1db36b084280a0ba1f1b2e292d3eabb3ae4cb7479d12d612cc129ad8ccfc574ac4357a8447a7d7788ae06263a9d7

    • SSDEEP

      1536:0KEQC9+gJ/G6wfKrm6GDPxlFjNmMj701UqprdG1u/Ub0VkVNK:ZC9DG6BJKPuM3H2dG1u/Ub0+NK

    Score
    10/10
    berbewbackdoordiscoverypersistence

    • Adds autorun key to be loaded by Explorer.exe on startup

      persistence

    • Berbew

      Berbew is a backdoor written in C++.

      backdoorberbew

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks